Components of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net loss available for common shareholders - basic and diluted	$ (12,851)	$ (9,382)	$ (39,616)	$ (30,575)
Weighted-average common shares outstanding - basic	165,687,000	163,985,000	165,167,000	159,452,000
Weighted-average common shares outstanding - diluted	165,687,000	163,985,000	165,167,000	159,452,000
Net loss per share - basic	$ (0.08)	$ (0.06)	$ (0.24)	$ (0.19)
Net loss per share - diluted	$ (0.08)	$ (0.06)	$ (0.24)	$ (0.19)